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Mule ESB, ActiveMQ and the DLQ

In this post I will show a simple Mule ESB flow to see the DLQ feature of Active MQ in action. I assume you have a running Apache ActiveMQ instance available (if not you can download ...
java-interview-questions-answers

Smart Auto-PPR Change Event Policy

There is a common belief among ADF developers that setting the iterator binding change event policy to ppr  is not a good thing in terms of performance because this policy forces ...
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Hibernate hidden gem: the pooled-lo optimizer

Introduction In this post we’ll uncover a sequence identifier generator combining identifier assignment efficiency and interoperability with other external systems (concurrently accessing ...
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Drools Executable Model

The Executable Model is a re-design of the Drools lowest level model handled by the engine. In the current series (up to 6.x) the executable model has grown organically over the last ...
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Camel on JBoss EAP with Custom Modules

Apache Camel — the best open source integration library Apache Camel is an awesome, open-source, integration library that can be used as the backbone of an ESB, or in stand alone ...
java-interview-questions-answers

Use Cases for Elasticsearch: Flexible Query Cache

In the previous two posts on use cases for Elasticsearch we have seen that Elasticsearch can be used to store even large amounts of documents and that we can access those using the ...
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How to Instantly Improve Your Java Logging With 7 Logback Tweaks

The benchmark tests to help you discover how Logback performs under pressure Logging is essential for server-side applications but it comes at a cost. It’s surprising to see though ...
java-interview-questions-answers

New in JAX-RS 2.0 – @BeanParam annotation

JAX-RS is awesome to say the least and one of my favorites! Why?Feature rich Intuitive (hence the learning curve is not as steep) Easy-to-use and develop with Has great RIs – Jersey, ...
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Integrate apps with Neo4j using Zapier

Recently, I was directed to Zapier to get some lightweight integration done between systems for a quick proof of concept. Initially skeptical, I found that it really could save time ...
java-interview-questions-answers

Writing Tests for Data Access Code – Don’t Test the Framework

When we write tests to our data access code, should we test every method of its public API? It sounds natural at first. After all, if we don’t test everything, how can we know that ...
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